Add Yahoo as a preferred source to see more of our stories on Google. You've likely heard the term "polar vortex" virtually every winter since it first entered into popular culture during a bitterly ...

Researchers generated stable vortex light in its lowest-energy state using liquid crystal traps and optical confinement.

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, researchers found that two specific patterns in the polar vortex, a swirling ...

The vortex is strongest during the winter and usually weakens or even disappears in the summer. When the polar vortex weakens or even splits, it allows frigid air to escape and push southward toward ...

You've likely heard the term "polar vortex" virtually every winter since it first entered into popular culture during a bitterly cold January a decade ago. The polar vortex is a whirling cone of low ...